CN212213680U - Dish washer water installations and dish washer - Google Patents
Dish washer water installations and dish washer Download PDFInfo
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- CN212213680U CN212213680U CN202021478128.6U CN202021478128U CN212213680U CN 212213680 U CN212213680 U CN 212213680U CN 202021478128 U CN202021478128 U CN 202021478128U CN 212213680 U CN212213680 U CN 212213680U
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Abstract
The utility model provides a dish washer water inlet device and a dish washer, relating to the technical field of kitchen appliances, wherein the dish washer water inlet device comprises a washing pump, a water level detection mechanism is arranged on the washing pump, and the water level detection mechanism is used for detecting the water level in the washing pump; the water level detection mechanism is connected with a controller of the washing pump, and the controller of the washing pump controls the washing pump to rotate or stop according to the water level information detected by the water level detection mechanism; the technical problem that the motor idling protection of a washing pump of a dish washing machine in the prior art is difficult to realize is solved; when the washing pump is lack of water, the washing pump is controlled to stop, so that the idling of the washing pump is avoided, and the idling protection effect is realized on the motor of the washing pump.
Description
Technical Field
The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to a dish washer water installations and dish washer are related to.
Background
The dish washer is equipment for automatically cleaning tableware such as dishes, chopsticks, dishes, knives, forks and the like, is convenient and quick, and is more and more widely applied.
In the existing dish washing machine, water is generally delivered to a spray header through a washing pump, and a spray arm in the spray header rotates under the pressure of water flow to carry the water to be sprayed out from a water spray opening of the spray header into a dish washing groove. The existing dish washer generally has a heating function, and an anti-dry heating mode is arranged on the dish washer at present, namely, the anhydrous pressure switch is connected with the heater in series, and the anhydrous pressure switch is disconnected under the condition of no water, so that the heater is disconnected, and anti-dry heating protection is realized. However, the washing pump of the existing dish washer has no water shortage protection, and the washing pump can continue to work when the pump shell is in water shortage, so that the idle running protection of the motor can not be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dish washer water installations and dish washer to alleviate the technical problem that the washing pump of the dish washer that exists is difficult to realize motor idle running protection among the prior art.
The utility model provides a water inlet device of a dish washing machine, which comprises a washing pump, wherein a water level detection mechanism is arranged on the washing pump and is used for detecting the water level in the washing pump;
the water level detection mechanism is connected with a controller of the washing pump, and the controller of the washing pump controls the washing pump to rotate or stop according to the water level information detected by the water level detection mechanism.
Further, the washing pump includes a housing, and the water level detection mechanism includes a first detection circuit and a first sensing element;
the first sensing element is arranged at the top of the shell, the sensing end of the first sensing element is inserted into the shell, the first sensing element is connected to the first detection circuit, and the first detection circuit is connected with the controller of the washing pump;
when the first sensing element is contacted with water, the first detection circuit is in a conducting state, and the washing pump is controlled by the controller of the washing pump to rotate; when the first sensing element is dehydrated, the first detection circuit is in a disconnected state, and the washing pump is controlled to stop by the controller of the washing pump.
Further, the first sensing element is a probe or a microswitch.
Further, the water inlet device of the dishwasher further comprises a main control board, and the main control board is connected with the water level detection mechanism and the controller of the washing pump respectively.
Furthermore, the water inlet device of the dishwasher also comprises an alarm mechanism, and the alarm mechanism is connected with the main control board.
Furthermore, the water inlet device of the dishwasher also comprises a spraying part and a rotating speed detection mechanism;
the washing pump is connected with the spraying part through a water diversion mechanism, and a spraying arm is arranged in the spraying part and can rotate under the impact action of water flow;
the rotating speed detection mechanism is used for detecting the rotating speed of the spraying arm, the rotating speed detection mechanism is connected with a controller of the washing pump, and the controller of the washing pump controls the washing pump to rotate or stop according to the water level information detected by the water level detection mechanism and the rotating speed information detected by the rotating speed detection mechanism.
Further, the rotating speed detection mechanism comprises a second detection circuit, a second induction element and a third induction element;
the second sensing element is arranged on the spraying part, the third sensing element is arranged on the spraying arm and synchronously rotates along with the spraying arm, the second detection circuit is connected with the controller of the washing pump, and the second detection circuit is connected with the second sensing element; when the third sensing element rotates to the sensing range of the second sensing element, the second detection circuit is conducted.
Further, the second induction element is a reed switch, and the third induction element is a magnet.
Further, the first sensing element is embedded in the housing.
The utility model provides a dishwasher, include the utility model provides a dishwasher water installations.
The utility model provides a dish washer water installations is provided with water level detection mechanism on its washing pump, and water level detection mechanism is connected with the controller of washing pump, and water level detection mechanism is used for detecting the water level in the washing pump, and the controller of washing pump rotates or stops according to the water level information control washing pump that water level detection mechanism detected. In the actual use process, when the water level detection mechanism detects that the water level in the washing pump is lower than a preset water level (the preset water level is generally the lowest water level at which a water outlet of the washing pump can discharge water outwards), the rotation of the washing pump at the moment is proved that water cannot be supplied into the dish washing groove, namely the washing pump idles, a controller of the washing pump controls the washing pump to stop according to the water level information detected by the water level detection mechanism at the moment, the general washing pump is driven by a motor, namely the motor of the washing pump is controlled to stop working at the moment; when the water level detection mechanism detects that the water level in the washing pump is not lower than the preset water level, the washing pump enters water normally at the moment, and the controller of the washing pump controls the motor of the washing pump to maintain a normal rotating state according to the water level information detected by the water level detection mechanism at the moment. The utility model discloses dish washer water installations can be under the dish washer operating condition that intakes, appear in the washing pump lack of water or when not having water, control the washing pump and stop to avoid the idle running of washing pump, play the effect of idle running protection to the motor of washing pump.
The utility model provides a dish washer includes the utility model provides a dish washer water installations. The utility model discloses dish washer with the utility model provides a dish washer water installations has the same beneficial effect, can be under the dish washer operating condition that intakes, appear lack of water in the washing pump or when not having water, control the washing pump and stop to avoid the idle running of washing pump, play the effect of idle running protection to the motor of washing pump.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic axial view of a water inlet device of a dishwasher according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a water inlet device of a dishwasher according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a spraying part of a water inlet device of a dishwasher according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of fig. 3.
Icon: 100-a washing pump; 110-a housing; 120-a drain outlet; 130-a water inlet; 200-a spray arm; 300-a spraying part; 400-a magnet; 500-reed pipe; 600-a water level detection mechanism; 700-a water diversion mechanism; 800-middle rotating shaft.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 4, the present embodiment provides a water inlet device of a dishwasher, comprising a washing pump 100, a water dividing mechanism 700 and a spraying part 300; the water inlet 130 of the washing pump 100 is connected with the water storage tank (or the water inlet pipe), the washing pump 100 is connected with the spraying part 300 through the water diversion mechanism 700, the spraying arm 200 is arranged in the spraying part 300, the spraying arm 200 is installed on the spraying part 300 through the middle rotating shaft 800, and the spraying arm 200 can rotate under the impact action of water flow. The washing pump 100 is provided with a water level detecting mechanism 600, and the water level detecting mechanism 600 is used to detect the water level in the washing pump 100. The water level detection mechanism 600 is connected to a controller of the washing pump 100, and the controller of the washing pump 100 controls the washing pump 100 to rotate or stop according to the water level information detected by the water level detection mechanism 600.
The washing pump 100, the water diversion mechanism 700, the spraying part 300 and the spraying arm 200 can adopt the prior art. The water diversion mechanism 700 may be a single water pipe, in which case the washing pump 100 is connected to one shower part 300, or the water diversion mechanism 700 may be a water pipe having a plurality of branches so that one washing pump 100 can be connected to a plurality of shower parts 300. The controller of the washing pump 100 controls the washing pump 100 to rotate or stop according to the water level information detected by the water level detecting mechanism 600, that is: the controller of the washing pump 100 controls the washing pump 100 to normally rotate to supply water according to the water level information detected by the water level detecting mechanism 600, or the controller of the washing pump 100 controls the washing pump 100 to stop rotating according to the water level information detected by the water level detecting mechanism 600.
In the actual use process of the water inlet device of the dishwasher in the embodiment, when the water level detection mechanism 600 detects that the water level in the washing pump 100 is lower than a preset water level (the preset water level is generally the lowest water level at which the water outlet 120 of the washing pump 100 can discharge water outwards), it indicates that the washing pump 100 rotates at this time and cannot supply water into the dish washing tub, that is, the washing pump 100 idles, the controller of the washing pump 100 controls the washing pump 100 to stop according to the water level information detected by the water level detection mechanism 600 at this time, the general washing pump 100 is driven by the motor, that is, the motor of the washing pump 100 is controlled to stop working at this time; when the water level detection mechanism 600 detects that the water level in the washing pump 100 is not lower than the preset water level, it indicates that the washing pump 100 is normally filled at this time, and the controller of the washing pump 100 controls the motor of the washing pump 100 to maintain a normal rotation state according to the water level information detected by the water level detection mechanism 600 at this time. The utility model discloses dish washer water installations can be when washing pump 100 lack water or do not have water, and control washing pump 100 stops to avoid washing pump 100's idle running, play the effect of idle running protection to washing pump 100's motor.
Here, the water level detection mechanism 600 may be directly electrically connected to a controller of the washing pump 100 to transmit detection information, and at least one of the water level detection mechanism 600 and the controller of the washing pump 100 is integrated with a control module, which can process the water level information detected by the water level detection mechanism 600 and convert the processed water level information into a control signal for the washing pump 100 according to a built-in program. Generally, a main control board (a control unit of a related art dishwasher) is disposed on the dishwasher and used for controlling an operation process of the dishwasher, and therefore, the water level detection mechanism 600 and the controller of the washing pump 100 may be both connected to the main control board, and the water level information detected by the water level detection mechanism 600 is processed by the main control board according to a built-in program and then converted into a control signal for the washing pump 100. The present embodiment is described by taking a common manner in which the water level detection mechanism 600 and the controller of the washing pump 100 are connected to the main control board as an example.
The water level detection means 600 may be a water level sensor or a water level switch. In this embodiment, the water level detecting mechanism 600 is specifically a water level switch.
Specifically, the washing pump 100 generally includes a housing 110, and in the present embodiment, a water level detection mechanism 600 is used to detect the water level inside the housing 110. Specifically, the water level detection mechanism 600 includes a first detection circuit and a first sensing element. The first sensing element is disposed on the top of the housing 110 of the washing pump 100, and the sensing end of the first sensing element is inserted into the housing 110 of the washing pump 100, and may be embedded. The first sensing element is connected to a first detection circuit, which is connected to a controller of the washing pump 100; when the first sensing element is contacted with water, the first detection circuit is in a conducting state, and the controller of the washing pump 100 controls the washing pump 100 to rotate; when the first sensing element is dehydrated, the first detection circuit is in a disconnected state, and the controller of the washing pump 100 controls the washing pump 100 to stop. Wherein, the first sensing element can be a probe or a microswitch.
In this embodiment, the specific first detection circuit is connected to the controller of the washing pump 100 through the main control board.
It can be understood that the drain 120 of the washing pump 100 is usually located at the upper portion (position close to the top) of the housing 110 of the washing pump 100, and the washing pump 100 is idle, that is, the drain 120 cannot discharge water. The first sensing member is disposed at the top of the housing 110 of the washing pump 100, and the sensing end of the first sensing member senses the water level at the top, which can directly reflect the operating state of the washing pump 100.
The information processing process of the main control board is roughly as follows: acquiring water level information in the housing 110 of the washing pump 100, controlling the washing pump 100 to rotate when the water level corresponding to the water level information is not lower than a preset water level, and controlling the washing pump 100 to stop when the water level corresponding to the water level information is lower than the preset water level. For example, when the first sensing element is a probe, when the water level in the housing 110 of the washing pump 100 is normal, that is, the water level is not lower than the preset water level, the probe contacts water, and the first detection circuit where the probe is located is turned on by the action of the water, the main control board receives a signal indicating that the first detection circuit is turned on, and the main control board can determine that the water level in the housing 110 of the washing pump 100 is normal at this time according to a built-in program, and at this time, the washing pump 100 is usually in a rotating state, so the main control board may not send a control instruction to the controller of the washing pump 100, so that the washing pump 100 maintains normal rotating operation. When the water level in the casing 110 of the washing pump 100 is abnormal, that is, the water level is lower than the preset water level, and the water level is lower than the lowest water level at which the water outlet 120 of the washing pump 100 can discharge water to the outside, the probe cannot contact the water, the first detection circuit where the probe is located is disconnected at this time, the main control board receives a signal that the first detection circuit is disconnected, the water level of the casing 110 of the washing pump 100 is judged to be abnormal at this time according to the built-in program, at this time, the washing pump 100 is usually in a rotating state, so the main control board needs to send a control instruction to the controller of the washing pump 100, so that the washing pump 100 stops.
Under the condition that the first sensing element is a microswitch, when the microswitch is contacted with water, a first detection circuit where the microswitch is located is conducted under the pressure action of the water; when the micro switch is not in contact with water, the first detection circuit where the micro switch is located is disconnected. The control principle in this case is similar to that when the first sensing element is a probe, and is not described herein again.
It should be noted that the principle of the water level detection mechanism 600 formed by combining the probe or the microswitch with the first detection circuit can adopt the conventional technology.
As a preferable implementation manner of the embodiment, the water inlet device of the dishwasher of the embodiment further comprises an alarm mechanism, and the alarm mechanism is connected with the main control panel. Specifically, the alarm mechanism may be a buzzer, may be a display panel, and may naturally be a member in which the buzzer is combined with the display panel. In the present embodiment, the alarm mechanism is taken as an example of a member that combines the buzzer and the display panel.
When the water level corresponding to the water level information detected by the water level detection mechanism 600 is lower than the preset water level, that is, the main control board determines that the water level is below the lowest water level at which the water outlet 120 of the washing pump 100 can discharge water outwards according to the water level information detected by the water level detection mechanism 600, when the washing pump 100 idles, an alarm prompt instruction is sent to the alarm mechanism, a buzzer of the alarm mechanism sends out alarm sound, and prompt information is displayed on the display panel.
It should be noted that the display panel of the alarm mechanism may be a display panel of the dishwasher itself.
It will be appreciated that the water level information detected by the water level detection mechanism 600 is typically processed by the main control board only after the dishwasher initiates a normal dishwashing process. I.e., only under normal dishwashing procedures, controls operation of the wash pump 100 and the alarm mechanism. The alarm mechanism can remind the user when the washing pump 100 is in an idle abnormal state in the operating state of the dishwasher, so that the user can know the operating state of the dishwasher conveniently and the dishwasher can be maintained after sale.
To further accurately judge whether the washing pump 100 is idle. In a further preferred implementation manner of this embodiment, the water inlet device of the dishwasher of this embodiment further includes a rotation speed detecting mechanism, the rotation speed detecting mechanism is configured to detect a rotation speed of the spray arm 200, the rotation speed detecting mechanism is connected to the controller of the washing pump 100, and the controller of the washing pump 100 controls the washing pump 100 to rotate or stop according to the water level information detected by the water level detecting mechanism 600 and the rotation speed information detected by the rotation speed detecting mechanism.
Specifically, the rotation speed detection mechanism is connected to the main control board and transmits the detected rotation speed information to the main control board, and the control board processes the detected rotation speed information according to a built-in program and gives a control instruction to the controller of the washing pump 100 together with the water level information detected by the water level detection mechanism 600.
In this embodiment, the control principle of the main control board may first determine whether the water level inside the housing 110 of the washing pump 100 is abnormal through the water level information detected by the water level detection mechanism 600, and then determine whether the rotation of the spray arm 200 is abnormal through the rotation speed detection mechanism; it is also possible to determine whether the rotation of the spray arm 200 is abnormal or not by the rotation speed detection means, and then determine whether the water level in the housing 110 of the washing pump 100 is abnormal or not by the water level information detected by the water level detection means 600. The former approach is generally adopted, that is: when the water level corresponding to the water level information is lower than the preset water level, the rotation speed information of the spray arm 200 after the moment is taken as the time starting point is obtained, and when the rotation speed corresponding to the rotation speed information exceeds the preset rotation speed range, the washing pump 100 is controlled to stop rotating. That is, the rotation speed detecting mechanism is usually started when the water level detecting mechanism 600 detects that the water level of the casing 110 of the washing pump 100 is lower than the preset water level, the main control board firstly judges whether the water level of the casing 110 of the washing pump 100 is lower than the preset water level, if not, the washing pump 100 keeps normal operation, and at this time, the rotation speed detecting mechanism is not started; when the water level of the housing 110 of the washing pump 100 is lower than the preset water level, the washing pump 100 is still in a rotating state, but at this time, the rotating speed detection mechanism is started and starts to detect the rotating speed of the spray arm 200, and keeps the washing pump 100 in the rotating state for a preset time (generally, only a few seconds), if the rotating speed of the spray arm 200 in the preset time is detected to exceed the preset rotating speed range, it indicates that the spray arm 200 cannot be impacted by water flow and normally rotates, so it can be determined that the washing pump 100 is in idle rotation at this time, and the main control board sends a control instruction to the controller of the washing pump 100 to stop the washing pump 100; if the rotation speed of the spray arm 200 is detected not to exceed the preset rotation speed range, it is indicated that the washing pump 100 is still in a normal working state, at this time, it may be misjudgment caused by failure of the water level detection mechanism or low accuracy, and the main control board does not send a control instruction, so that the washing pump 100 is in a normal rotation state.
It should be noted that the alarm mechanism is still applicable in this embodiment, that is, when the main control board determines that the water level of the housing 110 of the washing pump 100 is lower than the preset water level and the spray arm 200 cannot be impacted by water flow and normally rotates, the main control board simultaneously sends out an alarm prompt instruction to the alarm mechanism, and the buzzer of the alarm mechanism sends out a warning sound to display a prompt message on the display panel.
It can be understood that the idle stop control of the washing pump 100 is more accurate by the arrangement of the rotation speed detection mechanism, and the occurrence of the abnormal stop in the normal state is avoided.
It should be noted that the rotation speed detection mechanism may be an existing conventional rotation speed sensor. In the present embodiment, the rotation speed detection mechanism includes a second detection circuit, a second sensing element, and a third sensing element. A second sensing element is arranged on the spraying part 300 (the spraying part 300 is generally formed by an inner container of a dish washing machine, so the second sensing element can also be understood as being arranged on the wall of the inner container, the wall of the inner container is equivalent to a spraying arm seat), a third sensing element is arranged on the spraying arm 200 and synchronously rotates along with the spraying arm 200, a second detection circuit is connected with a controller of the washing pump 100, and the second detection circuit is connected with the second sensing element; when the third sensing element rotates to the sensing range of the second sensing element, the second detection circuit is conducted.
A specific second inductive element may be a reed switch 500, and a third inductive element may be a magnet 400 cooperating with the reed switch 500.
In the rotating process of the spray arm 200, the magnet 400 rotates along with the spray arm 200, the spray arm 200 rotates for a circle, the magnet 400 enters the induction range of the reed switch 500 once, and the second detection circuit is conducted once, so that the conducting times of the second detection circuit in unit time are calculated, and the rotating speed of the spray arm 200 can be obtained.
It should be noted that the main control board should set protection for both the first detection circuit and the second detection circuit, that is, the first detection circuit and the second detection circuit are circuits with completely isolated strong and weak current. The preset water level and the preset time are data preset in the main control panel.
In summary, the water inlet device of the dishwasher of the present embodiment controls the operation of the motor by installing the water level detecting mechanism 600 in the casing 110 of the washing pump 100, so as to prevent the hidden trouble of the motor caused by the idle rotation in the water inlet working state of the dishwasher.
Example two
The embodiment provides a dishwasher, which comprises the water inlet device of the dishwasher provided by the first embodiment.
The dishwasher of the present embodiment has the same beneficial effects as the water inlet device of the dishwasher provided in the first embodiment, and can control the washing pump 100 to stop when the water in the casing 110 of the washing pump 100 is deficient or does not exist in the water inlet working state of the dishwasher, so as to avoid the idle rotation of the washing pump 100, and play a role in idle rotation protection for the motor of the washing pump 100.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A water inlet device of a dishwasher comprises a washing pump (100), and is characterized in that a water level detection mechanism (600) is arranged on the washing pump (100), and the water level detection mechanism (600) is used for detecting the water level in the washing pump (100);
the water level detection mechanism (600) is connected with a controller of the washing pump (100), and the controller of the washing pump (100) controls the washing pump (100) to rotate or stop according to the water level information detected by the water level detection mechanism (600).
2. The dishwasher inlet arrangement according to claim 1, characterized in that the washing pump (100) comprises a housing (110), the water level detection mechanism (600) comprising a first detection circuit and a first inductive element;
the first sensing element is arranged at the top of the shell (110), the sensing end of the first sensing element is inserted into the shell (110), the first sensing element is connected to the first detection circuit, and the first detection circuit is connected with the controller of the washing pump (100);
when the first sensing element is contacted with water, the first detection circuit is in a conducting state, and a controller of the washing pump (100) controls the washing pump (100) to rotate; when the first sensing element is dehydrated, the first detection circuit is in a disconnected state, and the controller of the washing pump (100) controls the washing pump (100) to stop.
3. A dishwasher inlet device according to claim 2 wherein the first sensing element is a probe or a microswitch.
4. The dishwasher inlet of claim 1, further comprising a main control board connected to the water level detection mechanism (600) and a controller of the washing pump (100), respectively.
5. The dishwasher water inlet device of claim 4, further comprising an alarm mechanism, wherein the alarm mechanism is connected to the main control board.
6. The dishwasher inlet of any one of claims 1 to 5, further comprising a spray part (300) and a rotation speed detection mechanism;
the washing pump (100) is connected with the spraying part (300) through a water distribution mechanism (700), a spraying arm (200) is arranged in the spraying part (300), and the spraying arm (200) can rotate under the impact action of water flow;
the rotating speed detection mechanism is used for detecting the rotating speed of the spraying arm (200), the rotating speed detection mechanism is connected with a controller of the washing pump (100), and the controller of the washing pump (100) controls the washing pump (100) to rotate or stop according to water level information detected by the water level detection mechanism (600) and rotating speed information detected by the rotating speed detection mechanism.
7. The water inlet device of the dishwasher of claim 6, wherein the rotation speed detecting mechanism comprises a second detecting circuit, a second sensing element and a third sensing element;
the second sensing element is arranged on the spraying part (300), the third sensing element is arranged on the spraying arm (200) and synchronously rotates along with the spraying arm (200), the second detection circuit is connected with a controller of the washing pump (100), and the second detection circuit is connected with the second sensing element; when the third sensing element rotates to the sensing range of the second sensing element, the second detection circuit is conducted.
8. The dishwasher inlet of claim 7, wherein the second inductive element is a reed switch (500) and the third inductive element is a magnet (400).
9. A dishwasher inlet arrangement according to claim 2, characterized in that the first inductive element is provided embedded in the housing (110).
10. A dishwasher, characterized by comprising a dishwasher water inlet device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021478128.6U CN212213680U (en) | 2020-07-23 | 2020-07-23 | Dish washer water installations and dish washer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021478128.6U CN212213680U (en) | 2020-07-23 | 2020-07-23 | Dish washer water installations and dish washer |
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| CN212213680U true CN212213680U (en) | 2020-12-25 |
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| CN202021478128.6U Active CN212213680U (en) | 2020-07-23 | 2020-07-23 | Dish washer water installations and dish washer |
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